"""
NRMS ,LSTUR
去掉user id embedding 更好
                                                 AUC            MRR       nDCG@5     nDCG@10
no user id :                                    0.6466         0.3080     0.3355     0.3970
user id as long-term represent:                 0.6281         0.2877     0.3129     0.3788
no user id +positional encoder :                0.6489         0.3067     0.3361     0.4002
"""